The cloud, virtualization by another name. Except you don't have to maintain the infrastructure nor the people to keep things running. You are removed from it.
The people managing the cloud have that covered.

You can do so much more with the cloud that you could not before. You can host your whole business there if you want.

And scale the hardware and other resources as you need or can budget.

AHD can help

We'll help you leverage cloud file storage services such as Google drive file stream, Box and Dropbox and configure it to optimize how you work best.

How about something more complex like Microsoft Federation Services with Office 365 and Exchange server. Never worry about about the backups and hardware requirements of managing
complex core infrastructure like Exchange server.